Series A to Z
- I -Wish You Were Here- ~Anata Ga Koko Ni Itehoshii~ Gonzo 1
- I Am Not an Animal Baby Cow Animation 6
- I Am the Greatest: The Adventures of Muhammad Ali Fred Calvert Productions 13
- I Am Weasel Cow and Chicken 52
- I Am Weasel G-J 27
- I Got A Rocket Mike Young Productions 52
- I Heart Tuesdays Cartoon Network Studios 1
- I Huvudet På Ungar Filmtecknarna Animation 1
- I Know An Animal Studio Film Bilder 1
- I Spy Scholastic Entertainment 52
- I Will Destroy You Films 1
- I'm A Creepy Crawly Monster Entertainment 1
- I'm a Monster Monster Entertainment 1
- I'm An Animal Brown Bag Films 52
- I'm No Fool ... Educational 12
- IB Cinema 1
- IBM 1
- ICE Films 1
- Icebox 1
- Idaten Jump Trans Arts 48
- Ideal Standard Films 1
- Ideograph 1
- Idol 1
- Idol Boetai Hummingbird Youmex 1
- Idol Densetsu Eriko Bandai Visual 1
- Idol Project KSS 1
- Idol Tenshi Yokoso Yoko Ashi Productions 1
- IDT Entertainment 4
- Ie Naki Ko Remi Nippon Animation 26
- Igano Kabamaru Toho Company 24
- Iggy Arbuckle Blueprint Entertainment 52
- Igloo Films 1
- Ignacio Benedeti Cinema 2
- IGPX: Immortal Grand Prix Bandai Visual 31
- IgRek 4
- Ijiwaru Bâ-san Knack Productions 1
- Ike! Inachu Ping-Pong Club Grouper Productions 1
- Iketeru Futari J.C. Staff 1
- IKIK Room 1
- Ikinari Dagon Nippon Animation 12
- Ikkyu-san Tôei Company 1
- Il Etait Une Fois... L'Espace Procidis 26
- Il Etait Une Fois... L'Homme Procidis 26
- Il Etait Une Fois... La Vie Procidis 26
- Il Etait Une Fois... Les Amériques Procidis 26
- Il Etait Une Fois... Les Découvreurs Procidis 26
- Il Etait Une Fois... Les Explorateurs Procidis 26
- Il Était Une Fois... Notre Terre Procidis 1
- Il Grande Libro della Natura Mondo TV 54
- il Luster 29
- ILL-ustrated Camp Chaos Entertainment 13
- Illuminata Pictures 2
- Illuminated Film Company 5
- Illumination Entertainment 30
- Illusion Studios 2
- Illustrious Entertainment 1
- Ima Film 1
- Ima, Soko ni Iru Boku AIC 1
- Image Entertainment Corporation 1
- Image Forum 2
- Image Pictures 1
- Imagem Filmes 1
- ImageMovers Digital 7
- Imagi Services 5
- Imagica Entertainment 1
- Imaginantes Televisa 1
- ImagineW 1
- IMAX Corporation 1
- The Immigrants Klasky Csupo 1
- The Imp Red Kite Productions 1
- Imperial Airways 1
- The Impossibles Frankenstein Jr. and The Impossibles 36
- In The Know CBS Productions 1
- In-Art 1
- Inakappe Taishô Tatsunoko Productions 208
- The Inbreds Cosgrove Hall Films 1
- Inch High Private Eye G-J 13
- Incom Industrie Corti Metraggi 1
- Incredible Dennis the Menace DiC Entertainment 15
- The Incredible Hulk The Incredible Hulk and The Amazing Spider-Man 9
- The Incredible Hulk The Amazing Spider-Man and The Incredible Hulk 4
- The Incredible Hulk Marvel Productions 21
- The Incredible Hulk The Marvel Superheroes Show 39
- Independent 220
- Independent Television Service 2
- Indiecito Studios 2
- Industrial Animation Films 2
- IndustryWorks Pictures 1
- Inex Film 1
- The Infinite Darcy Cybergraphix Animation 1
- The Infinite Quest BBC 1
- Inhumanoids Marvel Productions 13
- Inhumanoids Super Sunday 15
- Inis Spraoi Magpie 6 Media 1
- Initial D OB Planning 27
- Inji Gakuen La Blue Girl Daiei 1
- Inju Dai Toshi Comstock 1
- Injyu Kazoku Kyoshi Pink Pineapple 1
- Ink-Ravings Bray Productions 3
- Inklings Inkwell Studios 1
- The Inkwell Imps Inkwell Studios 26
- The Inkwell Imps Fleischer Studios 29
- Inkwell Studios 4
- Insane Loon Productions 1
- Inspecteur Mouse Ravensburger Film + TV 26
- The Inspector DePatie-Freleng Enterprises 34
- Inspector Gadget DiC Entertainment 86
- Inspector Gadget DHX Media 1
- Inspector Gadget's Field Trip DiC Entertainment 1
- Inspector Willoughby Walter Lantz 12
- Inspektor Maska Zagreb Film 12
- Instant History Otogi Productions 1
- Institut für Kulturforschung 7
- Institute for the Intellectual Development of Children and Young Adults Colleges and Universities 1
- Institute of Art, Design & Technology Colleges and Universities 3
- Instituto Cubano de Radio y Televisión 3
- Instituto Cubano del Arte e Industrias Cinematográficos 181
- Intercontinental Absurdities 1
- Intergalactic Films 1
- Intermedia Producciones 2
- Intermezzo Films 1
- International Animators 1
- International Film School Of Wales Colleges and Universities 2
- International Rocketship Productions 23
- Inuk Brown Bag Films 18
- InuYasha Sunrise 169
- Invader ZIM Nicktoons Productions 37
- Invasion America Television 13
- The Investigator Gerry Anderson Productions 1
- Invizimals BRB Internacional 1
- Ippatsu Kanta Kun Tatsunoko Productions 1
- Iranian Institute 1
- IRH Press 1
- Iria: Zeiram the Animation Bandai Visual 1
- Iris Productions 3
- Irish Film Board 9
- Iron Man The Marvel Superheroes Show 39
- Iron Man The Marvel Action Hour 26
- Iron Man Marvel Anime 12
- Iron Man: Armored Adventures Marvel Productions 26
- Iron Nose Futurikon 52
- Iruka Office 1
- Irusoin 3
- Isaku Pink Pineapple 1
- Ishinomori Productions 1
- Ishinomori Shotaro no 808 Districts Shin-Ei Animation 1
- Island Planet One Productions 1
- Isoppu Wârudo Sunrise 26
- Isoro Tengoku Beam Entertainment 1
- It's a Big Big World Big Big Productions 19
- It's Punky Brewster Ruby-Spears Productions 42
- It's the Wolf The Cattanooga Cats 16
- It's the Wolf It's the Wolf and Motormouse and Autocat 10
- Itadakiman Time Bokan Series 1
- Itazura Tenshi Chippo-chan Fuji TV 1
- Îto Man Studio DEEN 24
- Itsumo Futari Cure 1
- The Itsy Bitsy Spider Hyperion Pictures 26
- ITV 2
- Ivan Maximov 10
- Ivanhoé Chevalier Du Roi CINAR Animation 46
- Ivor the Engine Smallfilms 41
- Izumo Kove 1